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Hello, people!
As I am photographer, so I collect enormous number of Kodacrome,Fujichrome,..dias. Chemistry. Light and silver. Analog photography. 36 pictures. Waiting for developing. Yeah.
Hey, when it was that?  Imagine a dia after 40 years?
Nowadays, newcomers don't know what was that.  Instant picture. Instant everything. Smile.



Step 1: 1000 Words

Well. I liked to preserve old chemical captured light.  And I assemble "dia scanner".

1. The best light is for dias to copy  - point it on sky at sunny day. About 5600K.

2. Few thousand dias... loaded, pointed on sky... and it is not everyday sunny.

3. I needed artificial light  ... but halogen is to warm.

4. LED's!    I select few with 6000K and few with 4500K

5. Battery 4,5V.

Step 2: Tube 1

Already purchased duplicator. Plenty of them on market. Have a +10mm  lens and screw according to your filter thread on back. This can be used as strong nacro lens.

Step 3: Tube 2

Front side. A gap for inserts diapositives. Front of 2mm polycarbonate "Plexiglas"- (Lexan*R is a Trade mark name- usually used in conversation for polycarbonate products... ).This front can be replaced according needs and taste. LED array is directed from a reasonable distance on this white surface to cover a 40x30mm square with "equal" luminosity... I use the LED wirh 15mm angle...concentrated light.

Step 4: Circuit

You can see a potentiometer, 47 Ohm and a car lamp 5W 12V as a resistor. I can choose amount of light to get proper exposure through diapositives ...to my small camera.

Step 5: Switch On

It is diffuse light, proper Kelvins and intensity...falling on white Lexan on dia copy tube....


Step 6: Better Look

Here you can see how jig is made. (Camera and tube for dia copy are bought. Not made)
I use a Lexan Plexiglas to built this jig-holder to help me in a boring work of dia copy.
 Comfortable body position. Both hands are free.  Insert.  Adjust.  Click.  An so on.... 

Step 7: Ready

So. now it's time  to insert diapositive and make a click...

Comfortable from the chair. Or bed. Or....
At any time.   Night .      Evening?
(Do not forget a beer not far away from hand.:))

  Sincerely yours.
   Kresimir


What is your experience with these duplicators?<br>I have managed to buy one, but when I use it, I loose all my options on my camera (I have to copy with a fixed diafragma and speed). <br>Some dias require different settings than others. How do you deal with this? Do you adjust the light with each new photograph?
This looks right for the job - could you be specific about the Lexan &amp; it's diffusive properties? Is it something you bought, or did you modify / treat it?<br /> <br /> L<br />
I have been added step 2 and 3 - as reply on your question.&nbsp; You can find different diffusers and put the on front of tube, Test to get for YOUR eye best results.<br /> Sincerely<br /> Kresimir<br />
Ah yes, I see it better thanks.<br /> <br /> L<br />

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